Which of the following statements is/are true?

A. The difference, between punishment and negative reinforcement is that in the former case, a noxious consequence is applied to decrease the frequency or strength of an undesired behaviour, whereas inthe latter, a noxious consequence is withheld when a desired, behaviour is exhibited

B. Punishment can have undesirable side effects if administered too frequently

C. Negative reinforcement increases the frequency and strength of a desired behaviour by making it contingent upon the avoidance of undesirable consequences for the employee

D. All of the above

Answer: Option D